Hioki 3284 HiTester Bedienungsanleitung

3284

CLAMP ON

AC/DC HiTESTER

INSTRUCTION MANUAL

Contents

Introduction i

Shipping Check ii

Safety iii

Attentions During Use viii

Organization of This Manual xii

Chapter 1 Product Outline 1

1.1 Product Outline 1

1.2 Features 2

1.3 Parts and Functions 3

1.4 Flowchart of Key Operations 9

1.4.1 Current Measurements Mode 9

1.4.2 Voltage Measurements Mode 10

1.4.3 Frequency Measurements Mode 11

1.5 Modes 12

Chapter 2 Measurement Procedure 15

2.1 Preparations 15

2.2 Current Measurement 16

2.2.1 Measuring DC Current (DC A) 16

2.2.2 Measuring AC Current (AC A) 17

2.2.3 Measuring AC/DC Current (AC+DC A) 18

2.2.4 Peak Hold Measurement 20

2.2.5 Output Function 21

2.3 Voltage Measurement 26

2.3.1 Measuring DC Voltage (DC V) 26

2.3.2 Measuring AC Voltage (AC V) 27

2.3.3 Measuring AC/DC Voltage (AC+DC V) 28

2.3.4 Peak Hold Measurement 29

2.4 Frequency Measurement 30

2.4.1 Frequency Measurement in Current Mode 30

2.4.2 Frequency Measurement in Voltage Mode 31

2.4.3 Output Function For Frequency 32

2.5 Auto-Zero-Adjustment/Zero-Cancel

Correction Function 34

2.5.1 Auto-Zero-Adjustment Function 34

2.5.2 Zero-Cancel Correction Function 35

2.6 Data Hold Function HOLD 35

2.7 Alteration of Counter Updates 36

2.7.1 SLOW mode 36

2.7.2 FAST mode 36

2.8 Recording Function REC 36

2.9 Auto Power-Off Function APS 40

2.10 Battery Low Warning 41

2.11 Beep Tone 41

Chapter 3 Specifications 43

3.1 Measurement Specifications 43

3.1.1 Current Measurement Specifications 43

3.1.2 Voltage Measurement Specifications 48

3.2 General Specifications 50

Chapter 4 Battery Replacement 53

Chapter 5 AC Adapter (Optional) 55

Chapter 6 Attaching The Hand Strap 57

Chapter 7 Troubleshooting 59

Chapter 8 Service 65

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Introduction

――――――――――――――――――――――――

Introduction

Thank you for purchasing the HIOKI "3284 CLAMP

ON AC/DC HiTESTER". To obtain maximum

performance from the instrument/ device/ product,

please read this manual first, and keep it handy for

future reference.

Request

We have tried to bring this manual as close to

perfection as we could achieve. If perchance you

find any unclear portions, mistakes, omissions, or

the like, we would be most obliged if you could

please notify us of them via any HIOKI agent, or

directly.

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Shipping Check

――――――――――――――――――――――――

Shipping Check

When the unit is delivered, check and make sure

that it has not been damaged in transit. In

particular, check the accessories, panel switches,

keys, and terminals.

If the unit is damaged, or fails to operate according

to the specifications, contact your dealer or HIOKI

representative.

Check the 3284 Unit and the Supplied

Accessories

Main unit

3284 CLAMP ON AC/DC HiTESTER

Supplied accessories

9399 CARRYING CASE 1

9207-10 TEST LEAD (red and black) 1

Hand Strap 1

6F22 (006P) 1

Instruction manual 1

Options

9094 OUTPUT CORD

9445-02 AC ADAPTER

(SA10-0910N, SINO-AMERICAN)

9445-03 AC ADAPTER (EU)

(SA10-0910G, SINO-AMERICAN)

iii

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Safety

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DANGER

This instrument is designed to comply with IEC

61010 Safety Standards, and has been

thoroughly tested for safety prior to shipment.

However, mishandling during use could result in

injury or death, as well as damage to the

instrument. Be certain that you understand the

instructions and precautions in the manual

before use. We disclaim any responsibility for

accidents or injuries not resulting directly from

instrument defects.

Safety

This Instruction Manual provides information and

warnings essential for operating this unit in a safe

manner and for maintaining it in safe operating

condition. Before using this unit, be sure to

carefully read the following safety notes.

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Safety

――――――――――――――――――――――――

DANGER

Indicates that incorrect operation

presents an extreme hazard that could

result in serious injury or death to the

user.

WARNING

Indicates that incorrect operation

presents a significant hazard that could

result in serious injury or death to the

user.

CAUTION

Indicates that incorrect operation

presents a possibility of injury to the user

or damage to the instrument.

NOTE

Indicates advisory items related to

performance or correct operation of the

instrument.

The following symbols in this manual indicate the

relative importance of cautions and warnings.

―――――――――――――――――――――――――――

Safety

――――――――――――――――――――――――

The symbol printed on the instrument

indicates that the user should refer to a

corresponding topic in the manual (marked

with the symbol) before using the

relevant function.

In the manual, the symbol indicates

particularly important information that the

user should read before using the instrument.

Indicates AC (Alternating Current).

Indicates DC (Direct Current).

Indicates both DC (Direct Current) and AC

(Alternating Current).

Indicates a device which is double-

insulated.

Indicates that the instrument may be connected

to or disconnected from a live circuit.

Safety Symbols

f.s. (maximum display or scale value, or length of scale)

Signifies the maximum display (scale) value or the

length of the scale (in cases where the scale consists

of unequal increments or where the maximum value

cannot be defined).

In general, this is the range value (the value written

on the range selector or equivalent) currently in use.

rdg. (displayed or indicated value)

Signifies the value actually being measured, i.e., the

value that is currently indicated or displayed by the

measuring instrument.

dgt. (resolution)

Signifies the smallest display unit on a digital

measuring instrument, i.e., the value displayed when

the last digit on the digital display is "1".

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Safety

――――――――――――――――――――――――

Measurement categories (Overvoltage

categories)

This instrument complies with CAT III safety

requirements.

To ensure safe operation of measurement

instruments, IEC 61010 establishes safety standards

for various electrical environments, categorized as

CAT I to CAT IV, and called measurement

categories. These are defined as follows.

CAT I : Secondary electrical circuits connected to

an AC electrical outlet through a

transformer or similar device.

CAT II : Primary electrical circuits in equipment

connected to an AC electrical outlet by a

power cord (portable tools, household

appliances, etc.)

CAT III : Primary electrical circuits of heavy

equipment (fixed installations) connected

directly to the distribution panel, and

feeders from the distribution panel to

outlets.

CAT IV : The circuit from the service drop to the

service entrance, and to the power meter

and primary overcurrent protection device

(distribution panel).

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